Hi Gwendal,

[auto build test WARNING on iio/togreg]
[also build test WARNING on next-20161125]
[cannot apply to v4.9-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Enric-Balletbo-i-Serra/iio-cros_ec_light_prox-add-ChromeOS-EC-Light-and-Proximity-Sensors/20161125-232924
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: um-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=um 

All warnings (new ones prefixed by >>):

warning: (IIO_CROS_EC_LIGHT_PROX) selects IIO_CROS_EC_SENSORS_CORE which has unmet direct dependencies (IIO && SYSFS && MFD_CROS_EC)

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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation